Table 1.

Demographic data

	Pain patients
Age	Mean 38.1 SD 9.4
Gender	No.	%
Females	193	66
Men	101	34
Origin
Born in Scandinavia	239	81
Born outside Scandinavia	49	17
Education
Compulsory school only	53	18
Upper secondary school	176	60
Higher education	51	17
Source of income1
Salary	84	27
Sickness benefit	220	69
Sickness pension	13	4
Social allowance	3	1
Pain severity estimated by MPI (0–6)	Mean 4.2, SD 0.9, Median 4.3
Duration of pain	Mean 2344 days, SD 2264
Pain localisation2
Neck	59	20
Shoulder and/or arm	38	15
Thoracic back	13	4
Lumbar back	24	8
Location varies	95	32
Other specified localisations	57	20

¹Several sources of income are possible.

²Several pain localisations are possible.